Stopper for dispensing spouts



Sept. 24, 1935. c. s. JACKSON STOPPER FOR DISPENSING SPOU'IS Filed April23, 1935 v INVENTOR C'Zareflcc @Jcison.

ATTORNEY ture to two simple, coacting parts, thus permit-' PatentedSept. 24, 1935 UNITED STATES PATENT OFFICE 2,015,343 STOPPER FOR,DISPENSING SPOUTS Application April 23, 1935, Serial No. 17,854

5 Claims.

The present invention relates to an improvement in pouring container, orbottle seals, and has for its object, an improvement in the constructionof the parts thereof to reduce the structing of a saving in the costs ofmanufacture and final assembly.

The present device is an improvement over that covered in my expiredUnited. States a Patent 1,027,544, of May 28, 1912, in which there isshown a dripless dispenser for liquids.

The present improvement has an added function over the above notedpatent disclosure, in that it has been found that the structure hereinis perfectly adapted to dispense dry pulverulent materials, as asubstitute for a sifter top, while at the same time performing thefunction of a screw-on stopper, which is readily opened or tightlyclosed as desired.

The foregoing and other features of advantage, will appear as the hereinconstruction is disclosed, and it is obvious that modifications may bemade in the structure herein, without departing from the spirit hereofor the scope of the appended claims.

In the drawing,

Fig. 1 is a side elevation of a container having its neck portion brokenaway to better show the details of container and pouring stopper;

Fig. 2 is a sectional View of the container and stopper, taken on line22 Fig. 1, looking in the direction of the arrows;

Fig. 3 is a view in elevation of the stopper removed from the container;

Fig. 4 is a bottom view thereof;

Fig. 5 shows the container with stopper opened, and positioned'fordispensing the contents thereof; and

Fig. 6 is a fragmentary section of the stopper.

As previously noted, it has been found that this structure dispenses drypulverulent material from the container, and after bringing thecontainer, generally denoted by I, all figures, back to normalnon-pouring position, the slope of the tapered flanged seat 4, of thebottle neck being greater than the angle of repose, returns back to thecontainer interior, all undispensed material, after which the stoppergenerally denoted by 5, may be screwed to a closure.

As in Fig. 3, the stopper 5, made preferably of a moulded phenolic resincompound comprises a head having, as desired a knurled perimeter I I, atapering, valve face II), this structure being in turn, connected by thevalve faced end It to a small diametered neck 9, thus leaving a circulargroove or guttering 9 between said head 5 and the threaded ;por.tion 6,Fig. 3, which threaded portion is of .a' single threaded, cylindricalextension, provided-with four geometrically spaced, vertically disposeddispensing passages 8, 8, 8, 8, 5 Fig. 4, which run from the lower endof the screw portion 6 and end by joining the guttering 9, and thusprovide four legs or wings the outer faces of which are provided withthread portions 1, all four of said threaded faces forming an interrupt-10 ed thread of continuous pitch.

The container as will be noted in Figs. 1 and 5, is preferably made ofsheet tin as in the customary practice, with the exception that the neckportion, in addition to being provided with the rolled in threads 3, tomatch the threads on 6, has provided upon its outer end an extending,tapered flared seat 4, the angle of the taper seat and the dimensionthereof being suited to receive the valve face Iiiof the stopper 5, whenclosed 20 tightly as in Fig. 1, but to form a wide pouring passage, outof which the liquid or dry material may be dispensed, as in Fig. 5.

Due to the dispersed positions of the four passages 8, 8, 8 and 8, ofthe stopper 5, when in 25 pouring action, the guttering 9, into whichthe passages 8 lead, is utilized to unify the flowing stream ofmaterial, and thus the discharge from the interior of the container iscontinuous and smooth. 30

To prevent clogging and jamming of the material at the bottom of thestopper 6 as it starts to flow from the container, the said bottom, asat 12, Fig. 6, may be made with a tapering funnel like surface, thecross section of which, as at I3, 35 of each thread bearing member beingalso chamfered on opposite faces.

The mode of assembly is obvious, and easily accomplished, and thedevice, when assembled, operates in a highly efficient manner andprovides 40 for a long valve like seating and contact between the seatand face of the coacting members, providing the stopper with anincreased coefficient of friction against accidental opening.

What I claim is: 45

1. A pouring seal stopper comp-rising a head portion and an interruptedthread portion, both said portions being joined together by a neckportion of lesser dimension than either the head portion or said threadportion, said interrupted my thereby to unify the stream of pouredmaterial, when pouring.

2. A stopper having a head, and an interrupted thread portion; saidportion having substantially longitudinal passages spaced around saidportion, the outer ends of said passages being formed to substantiallycommunicate laterally, there being a circumferential groove thereat, andto combine material passing through adjacent passages to form asubstantially unified stream.

3. A stopper having an inwardly tapered outer head, and an innerinterrupted thread portion; said portion having four wide'longitudinalpassages spaced around said portion, and an annular groove around saidportion between and adjacent to said head and portion and connecting theouter ends of said passages.

4. In combination, a container having an outlet opening having interiorthreads and surrounded by a tapered seat; and a stopper having a taperedhead adapted to fit said seat, and an interrupted thread portion havingthreads engaging said interior threads; said portion having four widelongitudinal passages spaced around said portion and passing from end toend of the portion, and an annular groove adjacent to and between saidhead and portion and forming a passage connecting the outer ends of saidlongitudinal passages; whereby when said head is moved a short distancefrom the seat and lowered, material may pass through adjacent passages,combine in said groove and pass from the seat in a unified stream in anypouring position of the stopper.

5. A stopper and pouring guide for a container having an internallythreaded neck, comprising a projecting substantially annular portionhaving externally threaded segments for engaging the threads of theneck, and a projecting head portion, there being a circumferentialgroove between said portions; said first portion having pouring passagesbetween the segments, the outer ends of the passages being incommunication with the groove, said segments having their inner endsedged or chamfered to facilitate the pouring, so I that material pouredthrough said passages may mingle in the groove whereby to provide aunified pouring stream.

CLARENCE S. JACKSON.

